Link's First Custom Cube: Virtual Booster

Walker in the Void    R  Creature – Merfolk Wizard Whenever a creature leaves the battlefield, you may counter target spell unless its owner pays . , Sacrifice Walker in the Void: Draw a card. 2/2	No more uncommons	No more uncommons	No more uncommons	Mazeform Phantasm    C  Creature – Illusion Whenever Mazeform Phantasm becomes tapped or untapped, each opponent puts the top two cards of his or her library into his or her graveyard. 1/1
Rotting Cavern    C  Land – Swamp Mountain (: Add or to your mana pool.) When Rotting Cavern enters the battlefield, sacrifice it unless you pay .	Tamiyo's Calligraphy Pen    C  Artifact , Tap an untapped creature you control: Target player puts the top card of his or her library into his or her graveyard. : Draw a card. Each creature you tap while activating this ability pays for or one mana of that creature's color.	Magnetic Performance    C  Instant Choose any number — • Magnetic Performance deals 3 damage to target player. • Destroy target artifact. • Each player with no cards in hand draws two cards. Magnetic Performance costs more to cast for each mode chosen beyond the first.	Wilted Learning    C  Instant Counter target spell unless its controller pays . If that player does, draw a card.	Bastioned Bliss    C  Enchantment At the beginning of each end step, if you control a creature with defender, put a +1/+1 counter on target creature, then put a 1/1 white Spirit creature token with flying onto the battlefield.
Village Hero    C  Creature Whenever another creature with power 2 or less enters the battlefield, put a +1/+1 counter on Village Hero. 1/1	Conscious Erosion    C  Instant Target player draws two cards, then discards two cards. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)	Everlasting Vigil    C  Enchantment Creatures you control have vigilance and lifelink. At the beginning of your upkeep, return target creature card with power 2 or less from your graveyard to the battlefield.	Earth-Heart Dryad    C  Creature – Dryad You may have Earth-Heart Dryad enter the battlefield tapped as a copy of any land on the battlefield. 1/1	Caller of Heroes    C  Creature Whenever you cast a legendary spell or a planeswalker spell, put a +1/+1 counter on Caller of Heroes. Legendary spells and planeswalkers spells you cast cost less to cast for each +1/+1 counter on Caller of Heroes. 1/1

Walker in the Void (rare)
Mazeform Phantasm (common)
Rotting Cavern (common)
Tamiyo's Calligraphy Pen (common)
Magnetic Performance (common)
Wilted Learning (common)
Bastioned Bliss (common)
Village Hero (common)
Conscious Erosion (common)
Everlasting Vigil (common)
Earth-Heart Dryad (common)
Caller of Heroes (common)